Question 167517
5.5X+3.50(21-X)=83.50
5.5X+73.5-3.50X=83.50
2X=83.50-73.50
2X=10
X=10/2
X=5 ADULT TICKETS WERE SOLD.
21-5=16 CHILDREN TICKETS WERE SOLD.
PROOF:
5.50*5+3.50*16=83.50
27.50+56.00=83.50
83.50=83.50